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Matrix concepts

Select the matrices below with dimensions $2\times2$:

(a)

$\begin{bmatrix} 0.12 & 0.84 & 0.06 & 0.19\\ 0.75 & 0.06 & 0.36 & 0.73\\ 0.34 & 0.27 & 0.76 & 0.85\\ 0.58 & 0.01 & 0.28 & 0.11\\\end{bmatrix}$

(b)

$\begin{bmatrix} 0.61 & 0.20 & 0.79 & 0.18\\ 0.07 & 0.12 & 0.70 & 0.68\\ 0.96 & 0.33 & 0.24 & 0.07\\ 0.35 & 0.53 & 0.05 & 0.20\\\end{bmatrix}$

(c)

$\begin{bmatrix} 0.62 & 0.46\\ 0.74 & 0.16\\\end{bmatrix}$

(d)

$\begin{bmatrix} 0.88 & 0.72\\ 0.62 & 0.26\\\end{bmatrix}$

(e)

$\begin{bmatrix} 0.82 & 0.71 & 0.40 & 0.10\\ 0.73 & 0.56 & 0.54 & 0.83\\ 0.26 & 0.02 & 0.07 & 0.01\\ 0.12 & 0.01 & 0.92 & 0.24\\\end{bmatrix}$

(f)

$\begin{bmatrix} 0.78 & 0.87 & 0.64\\ 0.78 & 0.21 & 0.66\\ 0.31 & 0.15 & 0.97\\\end{bmatrix}$

Select all possible options that apply.

Correct answer

(c) $\begin{bmatrix} 0.62 & 0.46\\ 0.74 & 0.16\\\end{bmatrix}$
(d) $\begin{bmatrix} 0.88 & 0.72\\ 0.62 & 0.26\\\end{bmatrix}$

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QID:

demo/randomCheckbox

Title:

Matrix concepts

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Started at:

2026-08-04 20:43:14 (CDT)

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  "students": [
    {
      "key": "c",
      "html": "\n    $<pl-matrix-latex params-name=\"N1\"></pl-matrix-latex>$\n  ",
      "feedback": null
    },
    {
      "key": "d",
      "html": "\n    $<pl-matrix-latex params-name=\"N2\"></pl-matrix-latex>$\n  ",
      "feedback": null
    }
  ]
}

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